<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Demo6</title>
</head>
<body>
    <table align = "client" border = "1px" cellpadding = "0" cellspacing = "0" 
    width = "300px" height = "400px">
        <tr>
            <td style = "text-align: center; vertical-align: middle;">姓名</td>
            <td style = "text-align: center; vertical-align: middle;">性别</td>
            <td style = "text-align: center; vertical-align: middle;">年龄</td>
        </tr>

        <tr>
            <td style = "text-align: center; vertical-align: middle;">张三</td>
            <td style = "text-align: center; vertical-align: middle;">男</td>
            <td style = "text-align: center; vertical-align: middle;">10</td>
        </tr>

        <tr>
            <td style = "text-align: center; vertical-align: middle;">李四</td>
            <td style = "text-align: center; vertical-align: middle;">女</td>
            <td style = "text-align: center; vertical-align: middle;">12</td>
        </tr>
    </table>
</body>
</html>